line the pool with tarp and ran irrigation hose around the mountain side. they cut away trees and clear brush and terrace the hillside to plant thousands of marijuana plants. >> this plant here will produce more bud and whole top piece will be a bud once fully matured. then once done then process it. >>reporter: the work to tear it all out was grueling. the small crew of forest service firefighters and special agents trej up and down the mountain side clipping the plant. counting them. and stacking them. throughout the day they bundle up the mrachbilitys helicopter dropped the hook and flew them out. final count, 6615 marijuana plants. they put the street value at more than 8 million dollars. >> marijuana cultivation any sort of grow on public land is illegal. >>reporter: thinks the one type of marijuana grow that is always illegal. even with medical marijuana laws and the possible package of prop 19 for recreation use. authorities tell us most often mexican drug trafficking organizations are behind the operation. talking to those in the raid they are not c